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Zubenya, Natalia, Eastern European National University, Voli av., 13, 43025 Lutsk,
Zulfikri, Kiki, Dr. Setiabudi No.229, Bandung City, West Java, Departmen of Chemistry Education, Mathematics and Sains Education Faculty, Indonesia University of Education, Indoneisa
Zulfu, Gulyaz Najafova
Zyade, Souad, doctor at chemistry and recycling
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